CHAPTER 1: THE ADAPTATION AND DEVELOPMENT OF BIOLOGICAL CONCEPTS IN ORTHODONTICS.
Authors: Ze'ev Davidovitch and Neal C. Murphy.

CHAPTER 2: BIOLOGY OF ORTHODONTIC TOOTH MOVEMENT: AN OVERVIEW.
Authors: Vinod Krishnan, Young Guk Park and Ze'ev Davidovitch.

CHAPTER 3: THE MECHANOBIOLOGY OF THE PERIODONTAL TISSUES.
Authors: Itzhak Binderman, Hila Bahar, Nasser Gadban and Avinoam Yaffe.

CHAPTER 4: GENETIC INFLUENCES ON ORTHODONTIC TOOTH MOVEMENT
Author: Maggie Zeichner-David.

CHAPTER 5: THE ROLE OF INFLAMMATION IN DEFINING THE TYPE AND PATTERN OF TISSUE RESPONSE IN ORTHODONTIC TOOTH MOVEMENT.
Author: Masaru Yamaguchi.

CHAPTER 6: BIOLOGICAL ASPECTS OF BONE GROWTH AND METABOLISM IN ORTHODONTICS
Authors: Song Chen, James K. Hartsfield Jr and W. Eugene Roberts.

CHAPTER 7: MARKERS OF PARADENTAL TISSUE REMODELING IN THE GINGIVAL CREVICULAR FLUID OF ORTHODONTIC PATIENTS.
Authors: Laura R. Iwasaki and Jeffrey C. Nickel.

CHAPTER 8: EFFECTS OF SYSTEMIC DISEASES ON ORTHODONTIC TOOTH MOVEMENT.
Authors: Ze'ev Davidovitch and Vinod Krishnan.

Chapter 9: THE EFFECT OF DRUGS AND DIET ON ORTHODONTIC TOOTH MOVEMENT.
Authors: Vinod Krishnan and Ze'ev Davidovitch.

CHAPTER 10: BIOLOGICALLY AND CLINICALLY, WHAT ARE OPTIMAL ORTHODONTIC FORCES AND HOW ARE THEY APPLIED IN SELECTIVE COMMON MALOCCLUSIONS?.
Authors: Vincent De Angelis and Ze'ev Davidovitch.

CHAPTER 11: THE BIOLOGICAL BACKGROUND OF RELAPSE OF ORTHODONTIC TOOTH MOVEMENT.
Author: Jaap C. Maltha and Anne Marie Kuijpers Jagtman.

CHAPTER 12: MECHANICAL AND BIOLOGICAL DETERMINANTS OF IATROGENIC INJURIES IN ORTHODONTICS.